<%@ page language="java" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>My JSP 'elExample1.jsp' starting page</title>

	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
  \${10+10 }<br><%//转义 %>
  '$'{10+10 }<br><%//用单引号的话就需要用2个 %>
    10+10=${10+10 }<br>
    10-10=${10-10 } <br>
    10*10=${10*10 } <br>
    10/10=${10/10 } <br>
    10 div 10=${10 div 10 } <br>
    10%10=${10%10 } <br>
    10/0=${10/0 } <br>
    10 div 10=${10 div 0 } <br>         
  </body>
</html>
